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"Concave lens is also called" Multiple Choice Questions (MCQ) on physics: density with choices diverging lens, converging lens, convex lens, and none of above for online education. Practice geometrical optics quiz questions for online certificate programs for online degrees.

MCQ: Concave lens is also called

1. diverging lens
2. converging lens
3. convex lens
4. none of above

A

MCQ: Power of a lens is defined as the reciprocal of its

1. focal length in meters
2. principal axis
3. optical center
4. vertex

A

MCQ: A point on the principal axis at the center of lens is known as

1. principal axis
2. optical center
3. principal focus
4. focal length

B

MCQ: As the focal length of a concave lens is positive, therefore its power should be

1. also negative
2. always zero
3. positive
4. neutral

A

MCQ: If an ophthalmologist places a 3.00 diopter lens next to 0.75 diopter lens, the power of lens should be

1. 3 diopters
2. 0.75 diopters
3. 2.25 diopters
4. 3.75 diopters

D